Chain drive,apply advance flexible starting and stopping technique, starting and stopping force is 120mm/s,there is 15cm slowly movement when starting and stopping, so as to decrease the force to the door.

4.Limit mode

Electronic limit,and the limit will not change even the power off,

5.Obstruct-return function

Door will rise up to the culminating point if obstructed during the process of falling,and will stop automatically if obstructed during the process of rising,which will ensure the safety of you and your car as well as your family members.

6.Lighting function

Automatic lighting when starting and stopping,using 220V/25W bulb lighting,the lamp will be lighted for 3 minutes.

7.Infrared protection function

When door is closed in the process of falling,it will stop immediately and move upwards in case a man or object shelters the infrared beam.

8.Electrical storage device

Door will be used for 48 hours when power off,and door can be started and stopped 10-15times.

9.Automatic closing function

The automatic closing can be set, it is within 3 minutes.

10.You can use manual switch to open and close the door.

Select parts:

1.photocell

2.manual switch

3.battery

4.external receiver

5.wall trailer for remote control

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